Tony Bennett (right) introduces speaker Billy Joel at a special master class school-wide assembly event for the Frank Sinatra School of the Arts, the public high school Bennett founded, on Thursday, May 30, 2013 in New York. Associated Press

Tony Bennett performs at the Clinton Global Citizen Awards during the second day of the 2015 Clinton Global Initiative's Annual Meeting at the Sheraton New York Hotel & Towers on September 27, 2015 in New York City. Getty Images

Singer Tony Bennett gets a kiss from his wife Susan Crow on the 86th floor observatory after lighting the Empire State Building in honor of his 90th birthday on Wednesday, Aug. 3, 2016, in New York. Associated Press

Tony Bennett gives a thumbs up as members San Francisco Boys and Girls Chorus and city and state Chief of Protocol Charlotte Shultz, left, look on, after Bennett's statue was unveiled outside the Fairmont Hotel Friday, Aug. 19, 2016, atop Nob Hill in San Francisco. Associated Press